Double-end screwdriver bit with novel structure

Abstract

The utility model discloses a novel structure double-end screwdriver bit, which relates to the technical field of screwdriver bits and comprises a screwdriver bit main body, mounting columns are fixedly mounted at two ends of the screwdriver bit main body, replacement components are arranged in the mounting columns, and operating heads are mounted on the mounting columns through the replacement components. The replacement assembly comprises a cylindrical groove formed in the surface of the mounting column, an annular groove is formed in the inner side wall of the cylindrical groove, a vertical sliding groove is formed in the side surface of the annular groove, and L-shaped clamping rods are fixedly mounted on the surfaces of the two sides of the operation head correspondingly. And then rotating is conducted, a sliding ring is limited through a limiting column, so that the operating head is rapidly and stably clamped and mounted in a mounting column, replacement and mounting operation can be rapidly conducted when the operating head needs to be replaced, the whole double-end screwdriver continues to be used, and the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screwdriver bits, in particular to a double-head screwdriver bit with a new structure. Background Art

[0002] A screwdriver bit usually refers to the screwdriver head installed on a hand drill or electric hammer to tighten screws. An electric screwdriver bit is an electric screwdriver used to tighten or loosen screws. It is a small power tool. The screwdriver bits can be divided into flat head, cross head, Pozidriv, star head, square head, hexagonal head, Y-shaped head, etc. according to different head shapes. Among them, the flat head and cross head are the most commonly used in life.

[0003] After long-term use, the operating head of the existing double-headed screwdriver head is easily damaged by friction. However, since the operating head is generally fixed at both ends of the screwdriver head, it is impossible to quickly replace or repair the operating head, so that the entire double-headed screwdriver head cannot be used any more, resulting in low efficiency of the device. Utility Model Content

[0004] Technical issues solved

[0005] In view of the deficiencies in the prior art, the utility model provides a double-headed screwdriver head with a novel structure, which solves the problem that the operating head of the existing double-headed screwdriver head is easily damaged by friction after long-term use. However, since the operating head is generally fixed at both ends of the screwdriver head, the operating head cannot be quickly replaced or repaired, so that the entire double-headed screwdriver head cannot be used any further, resulting in low efficiency of the device.

[0006] Technical Solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a double-head screwdriver head of a new structure, comprising a screwdriver head body, both ends of which are fixedly mounted with mounting columns, a replacement component is arranged inside the mounting column, and an operating head is mounted on the mounting column through the replacement component;

[0008] The replacement component includes a cylindrical groove opened on the surface of the mounting column, the inner side wall of the cylindrical groove is provided with an annular groove, the side surface of the annular groove is provided with a vertical slide groove, both side surfaces of the operating head are fixedly installed with L-shaped clamping rods, the L-shaped clamping rods are adapted to the vertical slide groove, the inner top wall of the annular groove is provided with a plug-in groove, the plug-in groove is adapted to the L-shaped clamping rod, a first spring is fixedly installed on the inner bottom wall of the cylindrical groove, an extrusion plate is fixedly installed on the other end of the first spring, an extrusion groove is provided on the lower surface of the operating head, the extrusion plate is adapted to the extrusion groove, both side surfaces of the mounting column are provided with a first slide groove, both side surfaces of the extrusion plate are fixedly installed with driven rods, the driven rods are slidably connected to the inside of the first slide groove, and one end of the two driven rods is fixedly installed with a sliding ring.

[0009] Optionally, a second sliding groove is provided inside the sliding ring, and the interior of the sliding ring slides through and is connected to a limiting column, and a second spring is fixedly mounted on an outer surface of the limiting column.

[0010] Optionally, the other end of the second spring is mounted on the inner side wall of the second sliding groove, a positioning groove is provided on the side surface of the mounting column, and the limiting column is adapted to the positioning groove.

[0011] Optionally, a clamping groove is provided on the upper surface of the mounting column, an annular clamping ring is provided inside the clamping groove, a protective sleeve is clamped inside the clamping groove, a limiting groove is provided on the outer surface of the protective sleeve, and the limiting groove is adapted to the annular clamping ring.

[0012] Optionally, a protective plate is fixedly mounted on the inner top wall of the protective cover, and a groove body adapted to the top of the operating head is formed on the lower surface of the protective plate, so that the outer surface of the operating head is protected by the protective cover, and the protective plate protects the head of the operating head.

[0013] Optionally, a main body is fixedly installed on the upper surface of the protective cover on the upper and lower sides, and a snap-in ball is fixedly installed on the top of the main body. The material of the protective cover is plastic, and a through hole is formed on one side of the upper surface of the protective cover, and the through hole is adapted to the snap-in ball. The lower surface of the through hole is rotatably connected to a sealing plate through a torque shaft. The protective covers on the upper and lower sides can be removed and connected to each other, thereby facilitating the storage and connection of the protective covers, and facilitating the subsequent re-protection of the operating head.

[0014] Beneficial Effects

[0015] The utility model provides a double-head screwdriver bit with a new structure, which has the following beneficial effects:

[0016] 1. The double-head screwdriver head of the novel structure is provided with a replacement component. The operating head is inserted into the interior of the mounting column, and then rotated and the sliding ring is limited by the limiting column, so that the operating head is quickly and stably clamped and installed in the interior of the mounting column. When the operating head needs to be replaced, the replacement and installation operation can be quickly performed, so that the entire double-head screwdriver can continue to be used, thereby improving the use efficiency of the device;

[0017] 2. The double-head screwdriver head of the novel structure can quickly insert the protective cover into the interior of the mounting column through the arrangement of the annular clamping ring, the protective cover and the limiting groove, and then be clamped in the limiting groove on the outer surface of the protective cover through the annular clamping ring, so that the protective cover protects the operating head. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the replacement components of the utility model;

[0022] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 5 It is a schematic diagram of the structure in which the upper and lower protective covers of the utility model are engaged with each other.

[0024] In the figure: 1. screwdriver head body; 2. mounting column; 3. replacement component; 301. cylindrical groove; 302. annular groove; 303. L-shaped clamping rod; 304. plug-in groove; 305. first spring; 306. extrusion plate; 307. sliding ring; 308. limiting column; 309. second spring; 4. operating head; 5. annular clamping ring; 6. protective cover; 7. limiting groove; 8. clamping ball; 9. through hole; 10. sealing plate. DETAILED DESCRIPTION

[0025] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0026] See also Figures 1 to 5 The utility model provides a technical solution: a double-head screwdriver head with a novel structure, comprising a screwdriver head body 1, both ends of the screwdriver head body 1 are fixedly installed with mounting columns 2, a replacement component 3 is arranged inside the mounting column 2, an operating head 4 is installed on the mounting column 2 through the replacement component 3, the replacement component 3 comprises a cylindrical groove 301 opened on the surface of the mounting column 2, an annular groove 302 is opened on the inner side wall of the cylindrical groove 301, a vertical slide groove is opened on the side surface of the annular groove 302, an L-shaped clamping rod 303 is fixedly installed on both side surfaces of the operating head 4, the L-shaped clamping rod 303 is adapted to the vertical slide groove, a plug-in groove 304 is opened on the inner top wall of the annular groove 302, the plug-in groove 304 is adapted to the L-shaped clamping rod 303, and the inner bottom wall of the cylindrical groove 301 is fixedly installed with a A spring 305, the other end of the first spring 305 is fixedly installed with an extrusion plate 306, the lower surface of the operating head 4 is provided with an extrusion groove, the extrusion plate 306 is adapted to the extrusion groove, the two side surfaces of the mounting column 2 are provided with a first slide groove, the two side surfaces of the extrusion plate 306 are fixedly installed with a driven rod, the driven rod is slidably connected to the inside of the first slide groove, one end of the two driven rods is fixedly installed with a sliding ring 307, the inside of the sliding ring 307 is provided with a second slide groove, the inside of the sliding ring 307 is slidingly penetrated and connected with a limiting column 308, the outer surface of the limiting column 308 is fixedly installed with a second spring 309, the other end of the second spring 309 is installed on the inner side wall of the second slide groove, the side surface of the mounting column 2 is provided with a positioning groove, the limiting column 308 is adapted to the positioning groove.

[0027] A clamping groove is provided on the upper surface of the mounting column 2 , an annular clamping ring 5 is provided inside the clamping groove, a protective sleeve 6 is clamped inside the clamping groove, and a limiting groove 7 is provided on the outer surface of the protective sleeve 6 , which is adapted to the annular clamping ring 5 .

[0028] A protective plate is fixedly installed on the inner top wall of the protective cover 6, and a groove body adapted to the top of the operating head 4 is opened on the lower surface of the protective plate. The outer surface of the operating head 4 is protected by the protective cover 6, and the protective plate protects the head of the operating head 4.

[0029] A main body is fixedly installed on the upper surface of the upper and lower protective sleeves 6, and a snap-in ball 8 is fixedly installed on the top of the main body. The material of the protective sleeve 6 is plastic. A through hole 9 begins on one side of the upper surface of the protective sleeve 6, and the through hole 9 is adapted to the snap-in ball 8. The lower surface of the through hole 9 is rotatably connected to a sealing plate 10 through a torque shaft. The protective sleeves 6 on the upper and lower sides can be removed and connected to each other, thereby facilitating the storage and connection of the protective sleeve 6, and facilitating the subsequent re-protection of the operating head 4.

[0030] In the utility model, the working steps of the device are as follows:

[0031] The staff inserts the operating head 4 into the interior of the mounting post 2, slides the L-shaped rods 303 on both sides of the operating head 4 downward along the interior of the vertical slide groove and squeezes the internal squeezing plate 306 and the first spring 305, so that the first spring 305 is forced to contract. At this time, the operating head 4 is rotated to drive the L-shaped rods 303 on both sides to slide inside the annular groove 302, and the operating head 4 is rotated ninety degrees, and one end of the L-shaped rod 303 is moved to the bottom of the plug-in slot 304. Then, the resetting force of the first spring 305 drives the squeezing plate 306 and the operating head 4 on one side to slide upward, so that the L-shaped rod 303 is inserted into the interior of the plug-in slot 304. During the sliding process, the squeezing plate 306 drives the driven rods on both sides to slide inside the first slide groove, and the driven rod drives the sliding ring 307 to move on the outer surface of the mounting post 2. The second spring 309 drives the limit post 308 to move, so that the limit post 308 is inserted into the positioning groove, and then the sliding ring 307 is fixed and limited, ensuring that the operating head 4 can be stably installed inside the mounting column 2. When not in use, one end of the protective cover 6 can be inserted into the clamping groove on the upper surface of the mounting column 2, and then the annular clamping ring 5 is clamped to the inside of the limiting groove 7, so that the protective cover 6 is fixed to the inside of the mounting column 2 to protect the internal operating head 4. When in use, the protective cover 6 needs to be pulled out upward with force, and then the two ends of the protective cover 6 are squeezed and fitted against each other, so that the clamping ball 8 is inserted into the inside of the through hole 9, so that the protective covers 6 on both sides are clamped with each other, which is convenient for the staff to store and carry.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-head screwdriver bit with a novel structure, comprising a screwdriver bit body (1), characterized in that: Both ends of the screwdriver head body (1) are fixedly mounted with mounting columns (2), a replacement component (3) is arranged inside the mounting column (2), and an operating head (4) is mounted on the mounting column (2) via the replacement component (3); The replacement component (3) comprises a cylindrical groove (301) formed on the surface of the mounting column (2); an annular groove (302) is formed on the inner side wall of the cylindrical groove (301); a vertical slide groove is formed on the side surface of the annular groove (302); an L-shaped clamping rod (303) is fixedly mounted on both side surfaces of the operating head (4); the L-shaped clamping rod (303) is matched with the vertical slide groove; an insertion groove (304) is formed on the inner top wall of the annular groove (302); the insertion groove (304) is matched with the L-shaped clamping rod (303); A first spring (305) is fixedly installed on the inner bottom wall of the column groove (301), and an extrusion plate (306) is fixedly installed on the other end of the first spring (305). An extrusion groove is provided on the lower surface of the operating head (4), and the extrusion plate (306) is adapted to the extrusion groove. First sliding grooves are provided on both side surfaces of the mounting column (2), and follower rods are fixedly installed on both side surfaces of the extrusion plate (306). The follower rods are slidably connected to the inside of the first sliding groove, and sliding rings (307) are fixedly installed on one end of the two follower rods.

2. A double-head screwdriver bit with a novel structure according to claim 1, characterized in that: A second sliding groove is provided inside the sliding ring (307), and the interior of the sliding ring (307) slides through and is connected to a limiting column (308), and a second spring (309) is fixedly mounted on the outer surface of the limiting column (308).

3. A double-head screwdriver bit with a novel structure according to claim 2, characterized in that: The other end of the second spring (309) is mounted on the inner wall of the second sliding groove, and a positioning groove is provided on the side surface of the mounting column (2), and the limiting column (308) is adapted to the positioning groove.

4. The novel double-head screwdriver bit according to claim 1 is characterized in that: The upper surface of the mounting column (2) is provided with a snap-fit ​​groove, an annular snap ring (5) is arranged inside the snap-fit ​​groove, a protective sleeve (6) is snap-fitted inside the snap-fit ​​groove, and a limiting groove (7) is provided on the outer surface of the protective sleeve (6), and the limiting groove (7) is adapted to the annular snap ring (5).

5. A double-head screwdriver bit with a novel structure according to claim 4, characterized in that: A protective plate is fixedly mounted on the inner top wall of the protective cover (6), and a groove body adapted to the top of the operating head (4) is formed on the lower surface of the protective plate.

6. A double-head screwdriver bit with a novel structure according to claim 5, characterized in that: A main body is fixedly mounted on the upper surface of the protective sleeve (6) on the upper and lower sides, and a snap-in ball (8) is fixedly mounted on the top of the main body. The material of the protective sleeve (6) is plastic. A through hole (9) is formed on one side of the upper surface of the protective sleeve (6). The through hole (9) is adapted to the snap-in ball (8), and the lower surface of the through hole (9) is rotatably connected to a sealing plate (10) via a torque shaft.

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